Home | << 1 2 3 4 5 6 >> |
![]() |
International Snow Leopard Trust. (1999). Snow Leopard News Summer/ Fall 1999. Seattle, WA: Islt.
Keywords: distribution; stutus; fur-trade; bones; medicine; conservation; enforcement; awareness; education; poaching; killing; hunting; web-of-life-poster; Slims; Nepal; field-study; Mongolia; prey; pelts; livestock; retaliatory-killing; habitat; browse; 4420
|
Kazensky, C. A., Munson, L., & Seal, U. S. (1998). The effects of melengestrol acetate on the ovaries of captive wild felids. Journal-of-Zoo-and-Wildlife-Medicine, 29(1), 1–5.
Abstract: Melengestrol acetate (MGA) is the most widely used contraceptive in zoo felids, but the mechanism of contraception and the pathologic effects have not been investigated. For this study, the effects of MGA on folliculogenesis were assessed, and the association of MGA with ovarian lesions was evaluated. Comparisons were made among the histopathologic findings in the ovaries from 88 captive wild felids (representing 15 species) divided into three groups: 37 currently contracepted with MGA, eight previously exposed to MGA, and 43 never contracepted. Ninety-one percent of the felids evaluated had tertiary follicles, and no differences were noted between contracepted and uncontracepted cats. Some MGA-contracepted cats also had corpora lutea indicating recent ovulation. These results indicate that folliculogenesis is not suppressed by current doses of MGA and ovulation occurred in some cats. Therefore, the contraceptive actions of MGA do not occur by suppressing folliculogenesis, and MGA-contracepted felids likely have endogenous estrogens that may confound progestin effects on the uterus. Cystic rete ovarii was the most common pathologic finding, but they were not more prevalent in MGA-contracepted cats. These findings indicate that MGA is not associated with ovarian disease, including ovarian cancer, in contrast to the uterine lesions noted in MGA-treated cats.
Keywords: Mga; zoo; felids; contraception; Melengestrol-acetate; ovaries; snow-leopard; Panthera-uncia; snow leopard; browse; uncia; panthera; melengestrol; acetate; 1260; effects; study; ovarian; Ovary; captive; wild; wild felid; Wild-Felid; species; Follicle; Cats; cat; recent; Ovulation; doses; Dose; action; Progestin; Disease; veterinary
|
Sloane, A., Kelly, C., McDavitt, S., & Marples, N. (1998). Big cats in captivity: a quantitative analysis of enrichment. Adv.Etho, 33, 43.
Abstract: Studies on three species of big cats at Dublin Zoo have led to firm conclusions about the effects of certain forms of enrichment, some of which will be presented here. Lions, jaguars, and snow leopards were studied over two years and their behaviours quantified using focal animal sampling during selected hours during daylight. By comparison of these activity budgets with and without the enrichments being present, it was possible to identify the exact behavioural changes caused by each enrichment method, and to quantify these changes. In this contribution we present results showing that the presence of a platform in both lion and jaguar enclosures dramatically reduced stereotypic pacing behaviour. We will demonstrate that the effects of short term enrichment devices may have a wide range of effects on behaviours which outlast the presence of the stimulus. For instance scents added to the cage, or food/play items such as horse hides, hidden fish or ice-blocks often reduce pacing and increase resting later in the day, even after the cats have ceased using the enrichment items. This reduction in pacing and increase in resting time often meant that the amount of the enclosure used per hour was actually reduced with the presence of new stimuli, as result opposite to what might have been expected. The results of these studies will be discussed in relation to effective animal management.
Keywords: abnormal-behavior; behavior; captive-animal-care; endangered; threatened-species; zoos; enrichment; abnormal; captive; Animal; care; threatened; species; browse; 1280; study; big; big cats; Cats; cat; zoo; effects; Lions; lion; jaguar; snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; behaviour; using; activity; activities; change; presence; enclosures; range; scent; cage; horse; hides; management
|
Fox, J. L., & Chundawat, R. S. (1997). Evaluation of Snow Leopard Sign Abundance in the Upper Indus Valley. In R.Jackson, & A.Ahmad (Eds.), (pp. 66–74). Lahore, Pakistan: Islt. |
Hunter, D. (1997). Mongolian-American Snow Leopard Project. Cat News, 26, 15–16.
Abstract: A snow leopard project is underway to study snow leopards in Mongolia. The project, called the Mongolian-American Snow Leopard Project, involves the Wildlife Conservation Society, the Mongolian Association for the Conservation of Nature and Environment, the National Geographic Society, the Mongolian Ministry of Nature and the Environment, the U.S. National Biological Service, and the International Snow Leopard Trust. The objective of the study is to survey the distribution and status of Mongolia's snow leopards, including those living in the Gobi Desert. klf.
Keywords: asia; Mongolia; panthera uncia; endangered; threatened species; mammals; study methods; techniques; telemetry; snow leopard project; distribution; Gobi Desert; threatened; species; snow; leopard; snow-leopard; project; study; methods; panthera; uncia; browse; 630
|
Ferguson, D. A. (1997). International Cooperation for Snow Leopard and Biodiversity Conservation: The Government Perspective. In R.Jackson, & A.Ahmad (Eds.), (pp. 178–193). Lahore, Pakistan: Islt.
Keywords: snow leopard; biodiversity; management; development; India; Pakistan; conservation; hunting; poaching; hunter; pelt; skin; fur; coat; livestock; habitat; herder; herders; Ussr; park; parks; reserves; reserve; refuge; Slims; field study; survey; surveys; transects; transect; Khunjerab; protected area; browse; U.S.S.R.; 2990
|
Wack, R. F., & Kramer, L. W. (1995). Multifocal osteomyelitis in a young snow leopard (Panthera uncia). Journal of Zoo and Wildlife Medicine, 26(4), 553–563.
Abstract: A 5-mo-old male snow leopard (Panthera uncia) was presented for mild rear leg lameness. Osteomyelitis was suspected on the basis of radiographic changes and confirmed by histopathology of a biopsy sample from the affected bone. Aerobic cultures of the biopsies repeatedly grew Klebsiella oxytoca. Repeated anaerobic and fungal cultures did not result in growth. The leopard was treated unsuccessfully with cefadroxil, chloramphenicol, and trimethoprim/sulfadiazine despite apparent in vitro sensitivity to these antibiotics. Successful resolution was eventually achieved with enrofloxacin, 7.5 mg/kg p.o. b.i.d. for 60 days. The number of bones involved (right humerus, right and left ulna, right and left radius, right and left femur, right and left tibia, mandible, right metatarsus) made this an unusual presentation of osteomyelitis.
Keywords: Antibacterial-Drug; Case-Study; diagnosis; Enrofloxacin; Pathophysiology; snow-leopard; veterinary; medical; osteomyelitis; snow leopard; antibacterial; drug; Case; study; snow; leopard; browse; 1370
|
Jackson, R., & Hunter, D. O. (1995). Snow Leopard Survey and Conservation Handbook (2nd Edition). ISLT and National Biological Survey. |
Brown, J. L., Wasser, S. K., Wildt, D. E., & Graham, L. H. (1994). Comparative Aspects of Steroid Hormone Metabolism and Ovarian Activity in Felids, Measured Noninvasively in Feces. Biol Reprod, 51(4), 776–786.
Abstract: Noninvasive fecal assays were used to study steroid metabolism and ovarian activity in several felid species. Using the domestic cat (Felis catus) as model, the excretory products of injected [14C]estradiol (E2) and [14C]progesterone (P4) were determined. Within 2 days, 97.0 +/- 0.6% and 96.7 +/- 0.5% of recovered E2 and P4 radioactivity, respectively, was found in feces. E2 was excreted as unconjugated estradiol and estrone (40%) and as a non-enzyme- hydrolyzable conjugate (60%). P4 was excreted primarily as non-enzyme- hydrolyzable, conjugated metabolites (78%) and as unconjugated pregnenolone epimers. A simple method for extracting fecal steroid metabolites optimized extraction efficiencies of the E2 and P4 excretion products (90.1 +/- 0.8% and 87.2 +/- 1.4%, respectively). Analysis of HPLC fractions of extracted fecal samples from the radiolabel-injected domestic cats revealed that E2 immunoreactivity coincided primarily with the unconjugated metabolized [14C]E2 peak, whereas progestogen immunoreactivity coincided with a single conjugated epimer and multiple unconjugated pregnenolone epimers. After HPLC separation, similar immunoreactive E2 and P4 metabolite profiles were observed in the leopard cat (F. bengalensis), cheetah (Acinonyx jubatus), clouded leopard (Neofelis nebulosa), and snow leopard (Panthera uncia). Longitudinal analyses demonstrated that changes in fecal E2 and P4 metabolite concentrations reflected natural or artificially induced ovarian activity. For example, severalfold increases in E2 excretion were associated with overt estrus or exogenous gonadotropin treatment, and elevated fecal P4 metabolite concentrations occurred during pregnant and nonpregnant (pseudopregnant) luteal phases. Although overall concentrations were similar, the duration of elevated fecal P4 metabolites during pseudopregnancy was approximately half that observed during pregnancy. In summary, steroid metabolism mechanisms appear to be conserved among these physically diverse, taxonomically related species. Results indicate that this hormone-monitoring approach will be extremely useful for elucidating the hormonal regulatory mechanism associated with the reproductive cycle, pregnancy, and parturition of intractable and endangered felid species.
Keywords: Animal; Carbon; Radioisotopes; Carnivora; Cats; Chromatography; High; Pressure; Liquid; Comparative Study; Estradiol; metabolism; Estrone; feces; chemistry; Female; Ovary; physiology; Pregnancy; Progesterone; Pseudopregnancy; Support; Non-U.S.Gov't; browse; non; government; gov't; us; 170
|
Roth, T. L., Howard, J. G., Donoghue, A. M., Swanson, W. F., & Wildt, D. E. (1994). Function and culture requirements of snow leopard (Panthera uncia) spermatozoa in vitro. J Reprod Fertil, 101(3), 563–569.
Abstract: Electroejaculates from eight snow leopards were used to determine how the motility of spermatozoa was influenced by (i) type of media (Ham's F10, PBS, human tubal fluid or RPMI-1640); (ii) holding temperature (23 degrees C versus 37 degrees C); (iii) washing of spermatozoa and (iv) a sperm metabolic enhancer, pentoxifylline. The duration of sperm motility was assessed by evaluating samples in each treatment every hour for 6 h and a sperm motility index (a value combining percentage sperm motility and rate of forward progression) calculated. Spermatozoa from the Ham's F10, PBS and PBS plus pentoxifylline treatments were also co-incubated with zona-intact, domestic cat eggs that were fixed and evaluated for spermatozoa bound to the zona pellucida, penetrating the outer and inner layers of the zona pellucida and within the perivitelline space. During the 6 h co-incubation, the sperm motility index in PBS with pentoxifylline was greater (P < 0.05) than in PBS alone which, in turn, was greater (P < 0.05) than in the other three test media. Washing the spermatozoa enhanced (P < 0.05) motility in both PBS and PBS plus pentoxifylline relative to unwashed samples, but there was no effect (P > 0.05) of holding temperature. Pentoxifylline supplementation enhanced (P < 0.05) the proportion of cat eggs with bound, but not penetrated, snow leopard spermatozoa in the inner layer of the zona pellucida, and there were no spermatozoa in the perivitelline space.(ABSTRACT TRUNCATED AT 250 WORDS)
Keywords: Animal; Carnivora; physiology; Cell; survival; Cells; Cultured; Comparative; study; Culture; Media; Female; Male; Pentoxifylline; Sperm; Motility; Ovum; Interactions; Spermatozoa; cytology; Support; Non-U.S.Gov't; U.S.Gov't; P.H.S.; browse; non; us; gov't; government; 190
|